Day 257: CDS Maths

1. A.
   1 and 2 only
2. B.
   2 and 3 only
3. C.
   1 and 3 only
4. D.
   1, 2 and 3

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1. A.
   $11520x$
2. B.
   $5760x$
3. C.
   $480x$
4. D.
   $192x$

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1. A.
   36 minutes
2. B.
   30 minutes
3. C.
   24 minutes
4. D.
   18 minutes

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1. A.
   $\frac{(xy + yz + zx)}{z}$
2. B.
   $\frac{(xy + yz + zx + z^2)}{z}$
3. C.
   $\frac{(xy + yz + zx + y^2)}{y}$
4. D.
   $\frac{(xy + yz + zx + x^2)}{x}$

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1. A.
   $\pi$
2. B.
   $\pi/2$
3. C.
   $\pi/3$
4. D.
   $\pi/4$

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